Spring 如何修改调用时模拟的静态方法的参数？

假设我有一个静态方法的类

public class A{
   public static void B(House s){
      s.setBricks("brick");
   }
   
}

我想通过在调用时修改其参数来模拟B方法，如下所示：

PowerMockito.when(A.B(any(House.class))).thenAnswer(new Answer() {
                    public Object answer(InvocationOnMock invocation) {
                        Object[] args = invocation.getArguments();
                        House cal = (Calendar)args[0];
                                                House house = new House;
                        //?? Don't want to modify the current house but set the field to house
                        return null;
                    }});